FOCA52 TJSJ 150632 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 232 AM AST Wed Apr 15 2026 PRZ001-152000- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 232 AM AST Wed Apr 15 2026 Date Wed 04/15/26 Thu 04/16/26 Fri 04/17/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 87 73 87 73 85 Temp 72 80 85 87 83 78 76 74 74 81 85 87 83 78 76 74 74 79 83 84 81 76 Dewpt 68 69 70 70 70 70 70 70 70 71 71 71 71 71 71 70 70 70 71 71 71 70 RH 87 69 61 57 65 76 82 87 87 72 63 59 67 79 85 87 87 74 67 65 72 82 Wind dir S SE SE SE E SE SE SE SE E E E E E E E E E E E E E Wind spd 3 3 8 11 6 4 8 5 5 8 12 17 11 9 9 10 12 10 10 10 6 6 Clouds SC SC SC B2 B2 SC SC SC SC SC SC OV OV B2 B2 SC SC B2 B2 B2 B2 B2 PoP 12hr 70 50 80 70 70 QPF 12hr 0.58 0.17 1.20 0.13 0.29 Rain shwrs C C C L L S S C C C C D D L L C C L L L L L Tstms S S S S S S S S Heat index 83 90 92 87 85 90 93 88 88 89 85 Max heat 83 93 92 85 93 93 89 89 Date Sat 04/18/26 Sun 04/19/26 Mon 04/20/26 Tue 04/21/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 73 86 73 86 73 86 73 87 Temp 73 80 86 77 73 80 86 78 74 80 86 78 74 81 87 77 Dewpt 70 70 70 70 70 70 70 69 69 69 70 70 69 70 70 70 PWind dir E E E E E E E E Wind char LT GN GN GN GN GN LT GN Avg clouds B2 B1 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 SC SC B1 B1 PoP 12hr 70 60 60 60 50 50 40 40 Rain shwrs L C L L L L L L C C C C S C C C Tstms S S S S S S $$ PRZ002-152000- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 232 AM AST Wed Apr 15 2026 Date Wed 04/15/26 Thu 04/16/26 Fri 04/17/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 85 74 85 75 85 Temp 73 79 84 85 82 78 76 75 75 80 84 85 82 78 76 75 75 80 83 84 81 78 Dewpt 69 71 72 72 72 72 72 71 71 72 73 73 73 72 72 72 71 72 73 73 72 72 RH 87 77 67 65 72 82 87 87 87 77 70 67 74 82 87 90 87 77 72 70 74 82 Wind dir SE SE SE SE SE SE E E E E E E E E E E E E E E E E Wind spd 2 5 8 9 8 5 6 9 10 11 12 12 11 11 10 8 13 11 8 6 6 9 Clouds SC B2 B2 B2 B2 FW B2 B2 B2 SC SC OV OV B2 B2 B2 B2 B2 B2 B2 B2 B2 PoP 12hr 70 60 80 70 70 QPF 12hr 0.59 0.22 1.19 0.13 0.29 Rain shwrs C L L L L S L L L C C D D L L L L L L L L L Tstms S S S S S S S S S S S S S S S Heat index 90 91 87 84 90 92 87 84 89 90 85 Max heat 91 91 84 92 92 84 90 90 Date Sat 04/18/26 Sun 04/19/26 Mon 04/20/26 Tue 04/21/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 74 84 74 84 74 85 74 85 Temp 75 80 84 78 76 80 84 78 75 80 85 78 75 80 85 79 Dewpt 70 71 72 71 70 71 71 71 70 71 71 71 70 71 71 71 PWind dir E E E E E E E E Wind char GN GN GN GN GN GN LT GN Avg clouds B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 PoP 12hr 70 60 60 60 50 50 40 40 Rain shwrs L L L L L L L L C C C C C C C C Tstms S S S S S S S S $$ PRZ007-152000- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 232 AM AST Wed Apr 15 2026 Date Wed 04/15/26 Thu 04/16/26 Fri 04/17/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 85 72 86 72 85 Temp 71 78 83 85 81 76 74 72 72 79 84 86 82 77 75 73 73 80 84 85 82 76 Dewpt 67 71 73 74 74 72 71 70 70 73 74 75 73 72 71 70 69 72 74 75 74 72 RH 87 79 72 70 79 87 90 93 93 82 72 70 74 85 87 90 87 77 72 72 77 87 Wind dir NE E E SE SE E E NE E E E SE E E E E E E E E E E Wind spd 3 3 6 9 8 4 5 4 5 5 12 11 10 8 5 5 4 5 13 10 5 5 Wind gust 24 Clouds CL CL FW SC SC SC FW FW SC SC SC SC SC B2 B2 SC SC SC SC B2 B2 SC PoP 12hr 40 30 60 60 60 QPF 12hr 0.17 0.09 0.24 0.10 0.27 Rain shwrs S C C S S S S C C C C L L S S C C L L S Tstms S S S S Heat index 89 93 86 91 95 87 84 91 94 88 Max heat 93 93 95 95 84 94 93 Date Sat 04/18/26 Sun 04/19/26 Mon 04/20/26 Tue 04/21/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 71 85 71 86 71 86 71 86 Temp 72 79 85 76 72 79 86 76 72 79 86 76 72 79 86 76 Dewpt 70 72 75 71 70 72 73 71 69 71 74 72 69 71 73 72 PWind dir E E E E E E NE E Wind char LT LT LT GN LT LT LT LT Avg clouds SC SC SC B1 SC SC B1 B1 SC SC SC SC CL FW SC SC PoP 12hr 20 50 30 50 30 40 5 40 Rain shwrs S S C C S C C C C C C C S C C $$ PRZ008-152000- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 232 AM AST Wed Apr 15 2026 Date Wed 04/15/26 Thu 04/16/26 Fri 04/17/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 71 83 72 83 Temp 71 77 82 83 80 75 73 72 72 78 82 83 80 76 74 73 73 78 82 83 80 75 Dewpt 67 69 70 72 72 71 70 68 67 70 72 73 73 72 71 70 68 71 72 73 72 72 RH 87 76 67 70 77 87 90 87 84 76 72 72 79 87 90 90 84 79 72 72 77 90 Wind dir E E E N NE E E E E E E E E E E E E E E E E E Wind spd 6 3 4 5 2 5 6 5 5 5 4 5 5 8 6 10 13 13 11 6 2 5 Clouds FW CL CL OV OV SC CL SC FW SC FW OV OV SC SC FW FW SC SC SC SC SC PoP 12hr 90 30 90 20 50 QPF 12hr 1.26 0.08 0.99 0.08 0.12 Rain shwrs S D D C S S S S D D S S S S S S C C S Tstms S S S S Heat index 86 88 84 87 89 84 87 89 84 Max heat 88 88 89 89 89 89 Date Sat 04/18/26 Sun 04/19/26 Mon 04/20/26 Tue 04/21/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 71 83 71 83 71 83 72 83 Temp 72 78 83 76 73 78 83 75 72 78 83 76 73 78 83 76 Dewpt 70 70 73 71 70 70 73 71 69 69 72 72 69 70 72 71 PWind dir E E E E E E E NE Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC B1 B2 SC SC B1 B1 SC SC SC B1 SC FW FW SC PoP 12hr 30 60 30 50 20 50 10 20 Rain shwrs C C L L C C C C S S C C S S S S Tstms S S $$ PRZ010-152000- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 232 AM AST Wed Apr 15 2026 Date Wed 04/15/26 Thu 04/16/26 Fri 04/17/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 88 70 89 70 88 Temp 70 80 86 88 83 76 74 71 71 81 87 89 84 77 74 71 71 80 86 88 83 76 Dewpt 68 70 72 73 72 72 71 70 69 71 74 75 73 72 71 70 69 72 74 75 74 72 RH 93 72 63 61 70 87 90 97 93 72 65 64 70 85 90 97 93 77 68 66 74 87 Wind dir E E SE S E NE E NE NE E S NE E E E E E E E E E E Wind spd 6 3 4 5 3 4 5 4 4 3 2 3 5 2 4 5 4 4 3 3 1 6 Clouds CL CL CL B2 SC FW CL CL CL SC SC OV OV CL CL FW FW SC SC OV OV SC PoP 12hr 70 20 80 20 80 QPF 12hr 1.06 0.03 1.05 0.06 1.08 Rain shwrs L C S S S D D S S S S D D C Tstms S S S S S Heat index 83 92 96 88 85 95 99 90 84 94 98 90 Max heat 83 96 94 85 99 97 84 98 96 Date Sat 04/18/26 Sun 04/19/26 Mon 04/20/26 Tue 04/21/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 70 88 70 88 69 88 70 88 Temp 71 80 88 76 71 80 88 76 70 80 88 76 71 80 88 76 Dewpt 70 71 75 71 70 71 74 71 69 71 74 72 70 72 73 72 PWind dir E E E E E E E NE Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC B1 SC SC B1 B1 SC SC SC B1 SC FW FW SC PoP 12hr 40 60 20 60 10 60 10 40 Rain shwrs C S L L S S L L S S L L S S C C Tstms S S S S S S $$ VIZ001-152000- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 232 AM AST Wed Apr 15 2026 Date Wed 04/15/26 Thu 04/16/26 Fri 04/17/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 86 77 86 77 85 Temp 76 81 85 86 83 80 79 78 78 82 85 86 83 80 79 78 78 82 85 85 83 79 Dewpt 71 72 72 73 72 72 72 73 73 73 72 73 73 73 73 73 72 72 72 72 72 72 RH 85 74 65 65 70 77 79 85 85 74 65 65 72 79 82 85 82 72 65 65 70 79 Wind dir E E SE SE SE E E E E E E E E E E E E E E E E E Wind spd 9 10 11 11 11 11 16 17 17 18 18 16 17 18 19 17 9 18 10 10 13 17 Clouds SC SC B2 SC SC SC SC SC SC B2 B2 SC SC SC SC B2 B2 SC SC B2 B2 B2 PoP 12hr 60 60 60 60 70 QPF 12hr 0.20 0.20 0.24 0.12 0.16 Rain shwrs C C L C C C S C C L L C C C C L L C C L L L Tstms S S S S S S S Heat index 85 91 93 88 84 87 91 93 89 84 87 91 91 88 Max heat 85 93 93 84 87 93 93 84 87 91 91 Date Sat 04/18/26 Sun 04/19/26 Mon 04/20/26 Tue 04/21/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 76 85 76 85 77 86 76 85 Temp 76 81 85 80 77 81 85 80 77 82 86 80 77 81 85 80 Dewpt 72 72 71 71 72 71 71 72 72 71 71 72 71 71 71 71 PWind dir E E E E E E E E Wind char GN BZ BZ BZ BZ GN GN GN Avg clouds B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC SC SC SC PoP 12hr 70 60 60 60 50 50 30 30 Rain shwrs L L L L L L L L C C C C C C C C Tstms S S S S S S S S $$ VIZ002-152000- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 232 AM AST Wed Apr 15 2026 Date Wed 04/15/26 Thu 04/16/26 Fri 04/17/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 87 74 86 74 86 Temp 74 81 85 87 83 79 77 75 75 81 85 86 83 78 76 75 75 81 85 86 82 77 Dewpt 70 72 72 73 72 72 72 72 72 73 73 73 73 72 72 72 71 72 72 73 72 72 RH 87 74 65 63 70 79 85 90 90 77 67 65 72 82 87 90 87 74 65 65 72 85 Wind dir E SE SE SE E E E E E E E E E E E E E E E E E E Wind spd 6 9 10 10 10 11 11 13 13 16 17 16 14 13 16 16 12 13 12 8 11 17 Clouds B2 SC B2 SC SC CL FW SC SC SC SC SC SC SC SC B2 B2 SC SC B2 B2 B2 PoP 12hr 60 50 50 60 70 QPF 12hr 0.17 0.13 0.29 0.12 0.16 Rain shwrs L C L C C S C C C C C C C C L L C C L L L Tstms S S S S S S Heat index 85 91 94 88 86 92 93 89 85 91 93 87 Max heat 85 94 94 86 93 93 85 93 93 Date Sat 04/18/26 Sun 04/19/26 Mon 04/20/26 Tue 04/21/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 73 85 73 86 74 86 73 86 Temp 73 80 85 78 74 80 86 78 75 81 86 78 74 80 86 78 Dewpt 71 72 72 71 70 71 71 70 70 71 71 71 71 71 72 71 PWind dir E E E E E E E E Wind char GN GN GN GN GN GN GN GN Avg clouds B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 SC SC SC SC PoP 12hr 70 60 60 50 50 50 30 30 Rain shwrs L L L L L L C C C C C C C C C C Tstms S S S S S S $$